body {
  background: #fff;
}

header {
  position: relative;
  margin-bottom: 50px;
  padding-bottom: 81%;
  background-repeat: no-repeat;
  background-position: center center;
  -webkit-background-size: cover;
  background-size: cover;
}
header .title {
  position: absolute;
  left: 15px;
  bottom: 45px;
  font-size: 24px;
  font-weight: bold;
  color: #fff;
  z-index: 2;
}
header .time {
  position: absolute;
  left: 15px;
  bottom: 25px;
  font-size: 10px;
  color: #fff;
  z-index: 2;
}
header .mask {
  position: absolute;
  bottom: 0;
  left: 0;
  width: 100%;
  height: 50%;
  z-index: 1;
  background-image: -webkit-gradient(linear, left bottom, left top, color-stop(0%, rgba(0, 0, 0, 0.6)), color-stop(100%, rgba(0, 0, 0, 0)));
}

section {
  margin: 0 15px;
}

p {
  font-size: 15px;
  color: #484848;
  margin-bottom: 25px;
  line-height: 1.5;
}

.article-footer img {
  display: block;
  width: 100%;
  margin-bottom: 50px;
}

.copyright {
  text-align: center;
  font-size: 7px;
  color: #999;
  margin: 20px 0;
}
